SNA8110T Gepon OLT User Manual
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displays the entities that may be managed by the TK37XX Host Interface, including the OLT, ONUs and Logical
Links. This sash window shall be referred to as the Element Status Window. Left clicking on an entity with the
mouse will open a tabbed panel in the upper right sash window that may be used to manage the entity. This sash
window shall be referred to as the Entity Management Window. The bottommost sash window is used for the
purpose of logging the host interface message that are sent and received by the GUI, and shall be referred to as
the Message Log. The Message Log displays the commands that are sent and received from the GUI as well as the
raw bytes sent and received by the physical layer interface.
2.1 Basic Structure of GUI Software
The GUI software breaks down into 4 logical layers the first layer is the physical interface. The operating system, or driver
resource, used to send and receive the raw Host Interface messages. The next layer consists of the underlying messaging system
used by the GUI. This layer is responsible for parsing and queuing of Host Interface Messages as well as providing reliability. The
next layer is the application layer. This layers responsibility is to display the GUI windows and provide services such as alarm
auditing.
2.2 GUI Start Up Sequence
When the user invokes the EponSystemApp.exe by double clicking on the T icon the GUI will perform the following functions:
EponSystemApp.exe
Step 0:
Attempt to establish a UDP connection to the TK3721. This process will continue indefinitely or until the connection is
established.
Step 1:
After the connection is established the GUI will test the interface by attempting to send and receive a host interface
message. The natural choice (and the choice that the GUI will use) is the Get OLT Information. This message contains information
about the TK3721 that the host may use to identify product version information.
Step 2:
Once the interface has been established the next step the GUI shall perform is to obtain the list of discovered links. It
should be noted that once the interface is detected the GUI shall initiate a process to handle autonomous events. Receiving an